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39 lines
589 B
Plaintext
39 lines
589 B
Plaintext
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FUNCTION_BLOCK Example
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VAR_INPUT
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temp: REAL;
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END_VAR
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VAR_OUTPUT
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hot_valve: REAL;
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cold_valve: REAL;
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END_VAR
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FUZZIFY temp
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TERM hot := (1,0)(70,0)(90,1);
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TERM cold := (1,1)(50,1)(80,0);
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END_FUZZIFY
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DEFUZZIFY hot_valve
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TERM open := 100;
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TERM closed := 0;
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METHOD : COGS;
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DEFAULT := 0;
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END_DEFUZZIFY
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DEFUZZIFY cold_valve
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TERM open := 100;
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TERM closed := 0;
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METHOD : COGS;
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DEFAULT := 0;
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END_DEFUZZIFY
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RULEBLOCK Control
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AND: MIN;
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ACCU: MAX;
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RULE 1: IF temp IS cold THEN hot_valve IS open;
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RULE 2: IF temp IS hot THEN cold_valve IS open;
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END_RULEBLOCK
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END_FUNCTION_BLOCK
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